Use sample data to estimate population means/proportions and develop margins of error using simulation.
Use a sample mean and margin of error to write an interval estimate for a population mean
Problem
What interval does this margin of error suggest for the population mean: sample mean \(72~\text{inches}\), margin \(2~\text{inches}\)?
Big Picture
What this problem is really about
A mean interval is centered at the sample mean and extends one margin of error below and above it. Compute both endpoints with subtraction and addition rather than using only one side. Because the interval estimates a population mean of the same measured variable, preserve the original units on both endpoints and in the interpretation.
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